Hazra, Mita Ghosh <br/><br/>
Algal ecology of two streams draining deforested catchments at Shillong 

 - NEHU 
 - Shillong  NEHU, Dept of Botany  1991 
 - 143p., 28cm. 
<br/><br/><label>Dewey Class. No.: </label>DS  /